Method of making a toilet bowl cleaning tablet
US6235127A · kind A · utility
14Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Sep 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/523
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning formulation, in tablet form, capable of providing uniform delivery of cleaning agents, fragrance and colorant while immersed in a the tank of a toilet. The tablet comprises a solubility-controlling matrix of a linear alkyl benzene sulfonate, and an alkyl sulfate surfactants, a monoalkanolamide dissolution control agent, a hydroxyethylcellulose binder; and cleaning actives including a peroxygen bleach, organic and inorganic salts, and aesthetic agents to signal ongoing cleaning effectiveness
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.